60 random samples of retail packages of frozen ground beef were sub jected to mycological examination. The total mould count per gram ranged from 3x10 to 4x10' with an average of 9.6x10 +1.5x10 and yeast count from 2x10 to 1.7x10° with a mean value of 5.3x10 +1.4x10'. The following mould and yeast genera were isolated and identified. Penicillium. Mucout, Aspergillus, Cladosporium, Geotrichum, Alternaria, Torulopsis, Rhodotorula, Candida, Debaryomyces, Saccharomyces. Tricho sporon and Cryptococcus. Also the ability of A.flavus to produce aflatoxin in fermented rice was found to be 1.88 ug/gm. The hygienic and public health significance of the isolated strains were discussed.